Channel Bank Replacement And Additions - Paradyne 9161 Reference Manual

Channel Bank Replacement and Additions

9161-A2-GH30-20
In the example shown in the following diagram, the T1 access unit is a
replacement for a channel bank. The T1 access unit is more than just a
replacement for a channel bank. It can do many things that a channel bank
cannot do. A channel bank has no data ports, it passes data as if it comes from
external modems or DSUs. The T1 access unit provides both data and voice
ports. A channel bank is a "dumb" device, and therefore cannot be managed from
a remote site, while the T1 access unit can be managed via SNMP.
T1 Access Unit
with E&M and
4-Wire
FXS APMs
E&M Circuits
PBX
Analog
PBX
FXS Circuits
to Dial Modems
Channel Bank Replacement
September 1997
Public Switched
Telephone Network
D4
Switch
Applications
3-7